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Nature of Operations and Summary of Significant Accounting Policies - Goodwill (Details) $ in Thousands | 6 Months Ended
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Jul. 02, 2016 USD ($)
Goodwill [Roll Forward] |
Gross Balance, Beginning Balance | $ 204,560
Accumulated impairment losses | (85,509)
Net Balance, Beginning Balance | 119,051
Acquisition | 38,344
Currency Translation | 78
Total 2016 Adjustments | 38,422
Gross Balance, Ending Balance | 242,982
Accumulated impairment losses | (85,509)
Net Balance, Ending Balance | 157,473
Papermaking Systems [Member] | Operating Segment [Member] |
Goodwill [Roll Forward] |
Gross Balance, Beginning Balance | 187,720
Accumulated impairment losses | (85,509)
Net Balance, Beginning Balance | 102,211
Acquisition | 38,344
Currency Translation | (1,109)
Total 2016 Adjustments | 37,235
Gross Balance, Ending Balance | 224,955
Accumulated impairment losses | (85,509)
Net Balance, Ending Balance | 139,446
Wood Processing Systems [Member] | Operating Segment [Member] |
Goodwill [Roll Forward] |
Gross Balance, Beginning Balance | 16,840
Accumulated impairment losses | 0
Net Balance, Beginning Balance | 16,840
Acquisition | 0
Currency Translation | 1,187
Total 2016 Adjustments | 1,187
Gross Balance, Ending Balance | 18,027
Accumulated impairment losses | 0
Net Balance, Ending Balance | $ 18,027

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